Business Details
24 Years
experience
Emergency
services
Reliable HVAC Solutions in Frisco, TX
C.A.S Air Conditioning & Heating has served Collin County since 2002, delivering honest and reliable HVAC solutions for residential and commercial clients. Our family-owned business prioritizes integrity, with owner Chad Sheffield leading a team of EPA-certified technicians who bring decades of combined experience. We specialize in AC installation, repair, and maintenance, tailored to Texas' extreme climate, while emphasizing energy efficiency and code compliance.Our commitment to same-day service, transparent pricing, and customer education has earned us five-star reviews and a reputation for excellence. We support local communities through events and charitable initiatives, ensuring personalized service that builds lasting relationships.
Services
AC Installation
AC Repair
AC Maintenance
Commercial HVAC
Ductwork Services
Preventative Maintenance
Details
- Year established: 2002
Highlights and features
- Over 20 years of local HVAC expertise since 2002
- EPA-certified technicians for compliant service
- No hidden fees, upfront pricing for all services
- Locally owned with personalized community service
- Energy-efficient solutions tailored to Texas' climate
Associations and certifications
- EPA
What people say
Saving 35% on electricity
Same-day service available
Professional technicians
Transparent pricing
Family-owned business
Services
AC Installation
We specialize in professional AC installation for residential and commercial properties in Collin County. Our certified technicians recommend and install high-efficiency systems tailored to Texas' extreme climate, ensuring proper sizing and code compliance. From central air to ductless mini-splits, we handle all makes and models while providing clear guidance on energy savings and warranty protection.
AC Repair
Our emergency AC repair services address urgent cooling needs across Frisco and surrounding areas. With fully stocked vehicles, we resolve issues like refrigerant leaks, thermostat malfunctions, and electrical failures within hours. We prioritize transparent diagnostics and cost-effective repairs to restore comfort while extending system longevity through proper maintenance.
AC Maintenance
Preventative AC maintenance prevents breakdowns during Texas' scorching summers. Our comprehensive tune-ups include coil cleaning, refrigerant checks, and airflow optimization to boost efficiency by 15-20%. We maintain manufacturer warranty requirements and document service history to maximize system lifespan and energy savings.
Commercial HVAC
We provide dedicated HVAC solutions for commercial properties in Prosper, including inspections, installations, and emergency repairs. Our team understands business climate demands, offering energy audits and maintenance plans to minimize downtime. From rooftop units to multi-zone systems, we ensure code-compliant service that meets Texas Department of Licensing regulations.
Ductwork Services
Our ductwork specialists design, install, and repair systems that maximize HVAC efficiency in North Texas homes. We address air leakage, pressure imbalances, and insulation issues to eliminate hot spots and reduce energy waste. Using NADCA-certified cleaning methods, we improve indoor air quality while ensuring compliance with Texas mechanical codes.
People
Chad Sheffield
Owner/Operator
With 20+ years in HVAC since age 21, Chad Sheffield built C.A.S Air Conditioning & Heating on principles of honesty and community service. He ensures all technicians maintain EPA certifications while personally overseeing complex installations and emergency repairs in Frisco's demanding climate.
Questions
What is included in an HVAC inspection?
Our inspection covers thermostat calibration, refrigerant levels, electrical connections, airflow measurement, filter replacement, and system performance testing.
How often should HVAC systems be serviced?
Manufacturers recommend twice-yearly maintenance before summer and winter to ensure peak efficiency and prevent breakdowns.
What makes energy-efficient HVAC systems valuable?
Energy-efficient systems reduce utility bills by 15-30% while maintaining comfort through advanced compressors and smart thermostat integration.
Why is proper AC sizing important?
Correct sizing prevents short cycling, reduces energy use by 20%, and extends equipment lifespan through balanced temperature control.
How long do AC units last in Texas?
Properly maintained units last 10-15 years, though extreme heat exposure typically shortens lifespan to 8-10 years with annual professional tune-ups.
What causes AC freezing issues?
Common causes include refrigerant leaks, dirty filters restricting airflow, and low outdoor temperatures affecting system operation.
